Overview

overview

10

Static

static

10

026d6396aa...87.exe

windows7_x64

10

026d6396aa...87.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    25/10/2021, 07:35

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General

  • Target
    026d6396aafd4e1706c5ec311de66487.exe
  • Size 112KB
  • Sample211025-jerjssfge2
  • SHA256 9ca0de5b060df94714b3defd24f99d53e63414abdee90e113647b77ed3ea9036
  • MD5 SHA1 SHA512
Score
10/10
xmrigminerpersistence

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Creates a Windows Service
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\026d6396aafd4e1706c5ec311de66487.exe
    "C:\Users\Admin\AppData\Local\Temp\026d6396aafd4e1706c5ec311de66487.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\026d6396aafd4e1706c5ec311de66487.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:524
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "serivces"
    1⤵
      PID:844
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "serivces"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\serivces.exe
        C:\Windows\system32\serivces.exe "c:\windows\fonts\259385966.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:920

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          memory/1740-55-0x0000000074A31000-0x0000000074A33000-memory.dmp
          Download